Hänvisningar gällande denna post
APA-referensSpecial libraries association. Geography and map division, Special Libraries Association. Geography and Map Division. Directory Revision Committee, Carrington, D. K., & Stephenson, R. W. (1978). Map collections in the United States and Canada: A directory (3d ed.). Special Libraries Association.
Chicago-stil citatSpecial libraries association. Geography and map division, Special Libraries Association. Geography and Map Division. Directory Revision Committee, David K. Carrington, och Richard W. Stephenson. Map Collections in the United States and Canada: A Directory. 3d ed. New York: Special Libraries Association, 1978.
MLA-referensSpecial libraries association. Geography and map division, et al. Map Collections in the United States and Canada: A Directory. 3d ed. Special Libraries Association, 1978.
Harvard-stil citatSpecial libraries association. Geography and map division, Special Libraries Association. Geography and Map Division. Directory Revision Committee, Carrington, D. K. & Stephenson, R. W. 1978. Map collections in the United States and Canada: A directory. 3d ed. New York: Special Libraries Association.